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. 2020 Dec 14;13:12777–12786. doi: 10.2147/OTT.S286600

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© 2020 Sun et al.

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Diagram of the study.

Abbreviations: BMs, brain metastases; pts, patients; ICI, immune checkpoint inhibitors; CR, complete response; PR, partial response; SD, stable disease; PD, progressive disease; NA, not assessed.